Home / 72,420,768.28-99,937,618.86-41,060,927.08

Finding the Fourth Proportional to 72,420,768.28, 99,937,618.86 and 41,060,927.08

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Solution

The fourth proportional to 72,420,768.28, 99,937,618.86 and 41,060,927.08 is: 56,662,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,768.28 : 99,937,618.86 = 41,060,927.08 : x
  2. Step 2: Convert to fraction form
    72,420,768.28/99,937,618.86 = 41,060,927.08/x
  3. Step 3: Cross multiply
    72,420,768.28x = 99,937,618.86 × 41,060,927.08
  4. Step 4: Simplify right side
    72,420,768.28x = 4,103,531,280,559,292.50
  5. Step 5: Solve for x
    x = 4,103,531,280,559,292.50/72,420,768.28
  6. Step 6: Final answer
    x = 56,662,354.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.